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kconfig: change defconfig_list option to environment variable

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"defconfig_list" is a weird option that defines a static symbol that
declares the list of base config files in case the .config does not
exist yet.

This is quite different from other normal symbols; we just abused the
"string" type and the "default" properties to list out the input files.
They must be fixed values since these are searched for and loaded in
the parse stage.

It is an ugly hack, and should not exist in the first place. Providing
this feature as an environment variable is a saner approach.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada
2021-03-14 04:48:32 +09:00
parent 406616213b
commit b75b0a819a
12 changed files with 50 additions and 43 deletions
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scripts/kconfig/lexer.l
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@@ -99,7 +99,6 @@ n [A-Za-z0-9_-]
"def_bool" return T_DEF_BOOL;
"def_tristate" return T_DEF_TRISTATE;
"default" return T_DEFAULT;
"defconfig_list" return T_DEFCONFIG_LIST;
"depends" return T_DEPENDS;
"endchoice" return T_ENDCHOICE;
"endif" return T_ENDIF;